/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package MODEL.CONTROLLER;

import MODEL.DAO.*;
import MODEL.POJO.*;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author linh
 */
@WebServlet(name = "SearchController", urlPatterns = {"/SearchController"})
public class SearchController extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String action = request.getParameter("Action");
        if (action != null) {
            if (action.equals("Search")) {
                String idloaisanpham = request.getParameter("idloaisanpham");
                ArrayList<LoaiDanhMucPOJO> loaidanhmuc = LoaiDanhMucDAO.LayDanhSachLoaiDanhMuc(idloaisanpham);
                ArrayList<LocSanPhamPOJO> dslsp = LocSanPhamDAO.LayLoctenmuc(idloaisanpham);
                request.setAttribute("LocSanPhams", dslsp);
                request.setAttribute("LoaiDanhMucs", loaidanhmuc);
                request.setAttribute("LoaiSanPhams", idloaisanpham);
                request.setAttribute("Error", null);
                String tukhoa = (String)request.getParameter("tbtensanpham");
                ArrayList<ChiTietSanPhamPOJO> dsctsp =null;
                int sotrang = 0;
                if (tukhoa != "") {
                    int trang = 1;
                    if (request.getParameter("Trang") != null) {
                        trang = Integer.parseInt(request.getParameter("Trang"));
                    }
                    dsctsp= ChiTietSanPhamDAO.TimKiemSanPhamTheoTen(idloaisanpham, tukhoa, trang);
                    if (dsctsp.size() != 0) {
                        sotrang = ChiTietSanPhamDAO.tinhsoluongtrang6(idloaisanpham, tukhoa);           
                    } else {
                        request.setAttribute("Error", "Khong co ket qua nao phu hop voi tu khoa cua ban");
                    }
                } else {
                    request.setAttribute("Error", "Ban phai nhap tu khoa");
                }
                request.setAttribute("DanhSachCTSPs", dsctsp);
                request.setAttribute("SoTrang", sotrang);
                request.setAttribute("TuKhoa", tukhoa);
                request.getRequestDispatcher("/Search.jsp").forward(request, response);
            }
        }
    }


    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
